@article{UM_1998_6_2_a6,
     author = {\v{S}arounov\'a, Alena},
     title = {Ze star\'ych u\v{c}ebnic - {D}},
     journal = {U\v{c}itel matematiky},
     pages = {109--111},
     year = {1998},
     volume = {6},
     number = {2},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/UM_1998_6_2_a6/}
}